نتایج جستجو برای: thermal stress

تعداد نتایج: 644216  

Journal: :Revista Brasileira de Saúde e Produção Animal 2020

Journal: :Journal of cell science 2016
Guilian Xu Amrutha Pattamatta Ryan Hildago Michael C Pace Hilda Brown David R Borchelt

The capacity of the cell to produce, fold and degrade proteins relies on components of the proteostasis network. Multiple types of insults can impose a burden on this network, causing protein misfolding. Using thermal stress, a classic example of acute proteostatic stress, we demonstrate that ∼5-10% of the soluble cytosolic and nuclear proteome in human HEK293 cells is vulnerable to misfolding ...

2012
SHENG WU CLARE YU Jiansheng Wu

Submitted for the MAR11 Meeting of The American Physical Society Glasses, Stress, Attenuation and Thermal Conductivity1 JIANSHENG WU, CLARE YU, University of California, Irvine — A wide variety of amorphous materials exhibit similar behavior in their thermal properties. Examples include universal features in the specific heat,thermal conductivity, and ultrasonic attenuation. Recent experiments ...

ژورنال: سلامت کار ایران 2015

Background and aims: Health hazards under heat stress conditions are well known and many industrial workers expose to heat stressful environments. Protection of the health of workers with suitable productivity is very important the idea requires adoption of a heat stress index that is both reliable and easy to use. Recent studies have found that Thermal Work Limit (TWL) performs better than W...

2012
T. R. Sahroni S. Sulaiman I. Romli M. R. Salleh H. A. Ariff

The thermal expansion behaviour of silicon carbide (SCS-2) fibre reinforced 6061 aluminium matrix composite subjected to the influenced thermal mechanical cycling (TMC) process were investigated. The thermal stress has important effect on the longitudinal thermal expansion coefficient of the composites. The present paper used experimental data of the thermal expansion behaviour of a SiC/Al comp...

Journal: :Work 2009
James A Levine Ioannis T Pavlidis Leslie MacBride Zhen Zhu Panagiotis Tsiamyrtzis

Occupational stress is universally experienced and is emerging as a major risk factor for physical and mental illness and a key factor in poor work performance and low job satisfaction. However, the technology does not currently exist to unobtrusively measure occupational stress in real-time. Here, we describe the design and clinical validation of an automated high-definition thermal imaging sy...

بهشتی, محمد حسین , حاجی زاده, روح اله , خداپرست, اسماعیل , رحیمی, حسین , ملکوتی, جواد ,

Introduction: Heat stress in workplaces cause multiple problems such as thermal stresses, thermal discomfort and in more severe cases may lead to accidents and diseases related to excessive heat. The aim of this study was to evaluate heat stress adopting WBGT Index in some small enterprise in Qom city and also to examine the relationship between WBGT and physiological indices. . Material and M...

H. Ashuri,

This paper presents finite element analysis (FEA) of a coated and uncoated cylinder heads of a diesel engine to examine the distribution of temperature and stress. A thermal barrier coating system was applied on the combustion chamber of the cylinder heads, consists of two-layer systems: a ceramic top coat (TC), made of yttria stabilized zirconia (YSZ), ZrO2-8%Y2O3 and also a metallic bond coat...

2014
Edward J. Narayan Jean-Marc Hero

Climatic warming is a global problem and acute thermal stressor in particular could be considered as a major stressor for wildlife. Cane toads (Rhinella marina) have expanded their range into warmer regions of Australia and they provide a suitable model species to study the sub-lethal impacts of thermal stressor on the endocrine physiology of amphibians. Presently, there is no information to sh...

Asadi- Ghalhari, Mahdi, Gharibi, Vahid , Heidari, Hamidreza , Mohammadbeigi, Abolfazl ,

Introduction: This study was designed with the main purpose of examining the compatibility of the two indicators of wet bulb globe temperature (WBGT) and predicted thermal strain (PHS) in assessing the environmental conditions and the heat load imposed on the subjects. Method: In this cross-sectional study, 163 bakers were included in the study. Thermal stress was determined using the WBGT and...

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